diff --git a/specification/eventgrid/data-plane/Microsoft.ServiceBus/stable/2018-01-01/ServiceBus.json b/specification/eventgrid/data-plane/Microsoft.ServiceBus/stable/2018-01-01/ServiceBus.json
index aff94fc9f773..7e2b2d52f5d6 100644
--- a/specification/eventgrid/data-plane/Microsoft.ServiceBus/stable/2018-01-01/ServiceBus.json
+++ b/specification/eventgrid/data-plane/Microsoft.ServiceBus/stable/2018-01-01/ServiceBus.json
@@ -1,7 +1,7 @@
 {
-  "swagger": "2.0",
+  "swagger": "3.0",
   "info": {
-    "version": "2018-01-01",
+    "version": "2020-11-01",
     "title": "Schema of Azure ServiceBus Messaging events published to Azure Event Grid",
     "description": "Describes the schema of the Azure ServiceBus Messaging events published to Azure Event Grid. This corresponds to the Data property of an EventGridEvent."
   },
@@ -66,6 +66,66 @@
           "type": "string"
         }
       }
+    },
+    "ServiceBusActiveMessagesAvailablePeriodicNotificationsEventData": {
+      "description": "Schema of the Data property of an EventGridEvent for a Microsoft.ServiceBus.ActiveMessagesAvailablePeriodicNotifications event.",
+      "type": "object",
+      "properties": {
+        "namespaceName": {
+          "description": "The namespace name of the Microsoft.ServiceBus resource.",
+          "type": "string"
+        },
+        "requestUri": {
+          "description": "The endpoint of the Microsoft.ServiceBus resource.",
+          "type": "string"
+        },
+        "entityType": {
+          "description": "The entity type of the Microsoft.ServiceBus resource. Could be one of 'queue' or 'subscriber'.",
+          "type": "string"
+        },
+        "queueName": {
+          "description": "The name of the Microsoft.ServiceBus queue. If the entity type is of type 'subscriber', then this value will be null.",
+          "type": "string"
+        },
+        "topicName": {
+          "description": "The name of the Microsoft.ServiceBus topic. If the entity type is of type 'queue', then this value will be null.",
+          "type": "string"
+        },
+        "subscriptionName": {
+          "description": "The name of the Microsoft.ServiceBus topic's subscription. If the entity type is of type 'queue', then this value will be null.",
+          "type": "string"
+        }
+      }
+    },
+    "ServiceBusDeadletterMessagesAvailablePeriodicNotificationsEventData": {
+      "description": "Schema of the Data property of an EventGridEvent for a Microsoft.ServiceBus.DeadletterMessagesAvailablePeriodicNotifications event.",
+      "type": "object",
+      "properties": {
+        "namespaceName": {
+          "description": "The namespace name of the Microsoft.ServiceBus resource.",
+          "type": "string"
+        },
+        "requestUri": {
+          "description": "The endpoint of the Microsoft.ServiceBus resource.",
+          "type": "string"
+        },
+        "entityType": {
+          "description": "The entity type of the Microsoft.ServiceBus resource. Could be one of 'queue' or 'subscriber'.",
+          "type": "string"
+        },
+        "queueName": {
+          "description": "The name of the Microsoft.ServiceBus queue. If the entity type is of type 'subscriber', then this value will be null.",
+          "type": "string"
+        },
+        "topicName": {
+          "description": "The name of the Microsoft.ServiceBus topic. If the entity type is of type 'queue', then this value will be null.",
+          "type": "string"
+        },
+        "subscriptionName": {
+          "description": "The name of the Microsoft.ServiceBus topic's subscription. If the entity type is of type 'queue', then this value will be null.",
+          "type": "string"
+        }
+      }
     }
   }
 }